<section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; text-indent: 2em; visibility: visible; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 16px; caret-color: red; color: rgb(63, 63, 63); visibility: visible; overflow-wrap: break-word !important;">影响纱线强、伸度的因素主要是组成纱线的纤维性质和纱线结构两个方面，其中混纺纱的强、伸度还与混纺纤维的性质差异和混纺比密切相关，温、湿度和强力测试条件等外因对纱线强、伸度的影响基本上与纤维相同。</span><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;"></section><section data-role="title" data-tools="135编辑器" data-id="107008" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; visibility: visible; overflow-wrap: break-word !important;"><section style="margin: 10px 8px; padding: 0px; outline: 0px; max-width: 100%; text-align: center; visibility: visible; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; display: flex; justify-content: center; align-items: center; visibility: visible; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; display: inline-block; visibility: visible; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 5px 20px; outline: 0px; max-width: 100%; background-color: rgb(23, 54, 93); visibility: visible; overflow-wrap: break-word !important;"><section data-brushtype="text" hm_fix="315:251" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 16px; letter-spacing: 1.5px; color: rgb(255, 255, 255); visibility: visible; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;">纤维性质</strong></span></section></section></section></section></section></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; visibility: visible; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(23, 54, 93); visibility: visible; font-size: 16px; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;">纤维的长度、线密度：</strong></span></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; text-indent: 2em; visibility: visible; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(63, 63, 63); caret-color: red; visibility: visible; font-size: 16px; overflow-wrap: break-word !important;">纤维长度较长，纤维较细时，成纱中纤维间的摩擦阻力较大，不易滑脱，所以成纱强度较高。</span></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; text-indent: 2em; visibility: visible; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;"></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; text-indent: 2em; visibility: visible; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(63, 63, 63); visibility: visible; font-size: 16px; overflow-wrap: break-word !important;">当纤维长度整齐度较好，纤维细而均匀时，成纱条干均匀，弱环少而不显著，有利于成纱强力的提高。</span></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; visibility: visible; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;"></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; visibility: visible; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 16px; visibility: visible; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(23, 54, 93); visibility: visible; overflow-wrap: break-word !important;">纤维的强度：</span></strong></span></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; text-indent: 2em; visibility: visible; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 16px; color: rgb(63, 63, 63); caret-color: red; visibility: visible; overflow-wrap: break-word !important;">纤维的强、伸度大时，则成纱的强、伸度也较大；纤维强、伸度不匀率小，则成纱强度高。<br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;"></span></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; visibility: visible; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;"></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; visibility: visible; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(23, 54, 93); visibility: visible; font-size: 16px; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;">纤维的表面摩擦性能：</strong></span></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; text-indent: 2em; visibility: visible; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(63, 63, 63); caret-color: red; font-size: 16px; visibility: visible; overflow-wrap: break-word !important;">当纤维表面摩擦系数μ增加，纤维间滑动阻力大，滑脱长度lc减小，滑脱纤维数的比例减少，成纱强度增加。提高纤维的卷曲数能增加纤维间滑动阻力。</span></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></section><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;"><section data-role="title" data-tools="135编辑器" data-id="107008" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><section style="margin: 10px 8px; padding: 0px; outline: 0px; max-width: 100%; text-align: center; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; display: flex; justify-content: center; align-items: center; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; display: inline-block; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 5px 20px; outline: 0px; max-width: 100%; background-color: rgb(23, 54, 93); overflow-wrap: break-word !important;"><section data-brushtype="text" hm_fix="310:259" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 16px; letter-spacing: 1.5px; color: rgb(255, 255, 255); overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">纱线结构</strong></span></section></section></section></section></section></section></section><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;"><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(23, 54, 93); font-size: 16px; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">(1)短纤维纱结构对其强、伸度的影响，主要反映在捻度上。</strong></span></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(63, 63, 63); font-size: 16px; overflow-wrap: break-word !important;">&nbsp;&nbsp; &nbsp;&nbsp;</span></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 16px; color: rgb(63, 63, 63); overflow-wrap: break-word !important;">当捻系数增大时木纤维间摩擦阻力增大，不易滑脱，这是对短纤维纱强度有力的积极一面，但当捻系数增大的同时，伴随着纤维的倾斜越来越大，纤维强度在纱轴向的有效分力降低，纱中纤维断裂不同时性加剧，同时纤维倾斜时纱线直径增大都是对纱线相对强度的不利因素。<br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></span></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(23, 54, 93); font-size: 16px; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">(2)合股的影响</strong></span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(63, 63, 63); font-size: 16px; letter-spacing: 0.544px; overflow-wrap: break-word !important;">&nbsp; &nbsp; &nbsp;&nbsp;</span></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(63, 63, 63); font-size: 16px; overflow-wrap: break-word !important;">单纱的并合作用使股线(plyyarn)条干均匀，且单纱之间有接触，使单纱外层纤维间抱合力增加；股线强力大于各单纱强力之和。</span></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; text-align: left; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 16px; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(23, 54, 93); overflow-wrap: break-word !important;">(3)纤维在短纤纱中的排列形态</span></strong></span></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 16px; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(12, 12, 12); overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">转杯纱强度低于环锭纱：</span></strong></span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(63, 63, 63); overflow-wrap: break-word !important;">转杯纱中，对折、卷&nbsp; 曲、打圈等不规则排列纤维较多，正常转移纤维较少，致使纤维与纤维抱合接触不良，拉伸时滑脱纤维较多。</span></span></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></section></section><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;"><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 16px; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(23, 54, 93); overflow-wrap: break-word !important;">(4)膨体纱</span></strong></span></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(63, 63, 63); font-size: 16px; overflow-wrap: break-word !important;">膨体纱的拉伸断裂强度比传统纱小，而断裂伸长率则较大。</span></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 16px; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(12, 12, 12); overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">结构特性：</span></strong></span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(63, 63, 63); overflow-wrap: break-word !important;">利用两种热收缩性相差很大的纤维混纺后进行热收缩处理，使纱条中高收缩性的纤维充分回缩，同时迫使热收缩性小的正常纤维沿纱轴向压缩皱曲而呈现膨体特性。</span></span></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; text-indent: 2em; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></section><p style="margin-right: 8px; margin-left: 8px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; vertical-align: inherit; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 16px; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(12, 12, 12); overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">拉伸断裂过程：</span></strong></span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(63, 63, 63); overflow-wrap: break-word !important;">膨体纱受拉伸时负担外力的纤维根数较小，而且各根纤维的张力不均匀。开始被拉伸时，只有一小部分纤维承担外力，其他纤维皱曲松弛着。当前一种纤维被拉断后，后一种纤维才伸直并承担拉伸力，直至整体断裂。</span></span></p><p style="margin-right: 8px; margin-left: 8px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; vertical-align: inherit; text-indent: 2em; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></p><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 16px; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(23, 54, 93); overflow-wrap: break-word !important;">(5)变形纱和弹力丝</span></strong></span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(63, 63, 63); font-size: 16px; letter-spacing: 0.544px; overflow-wrap: break-word !important;">&nbsp; &nbsp;&nbsp;</span></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(63, 63, 63); font-size: 16px; overflow-wrap: break-word !important;">依靠各种定形方法，使每根纤维呈螺旋弹簧形或卷曲状的定向皱曲曲线。</span></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; text-indent: 2em; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(63, 63, 63); caret-color: red; font-size: 16px; overflow-wrap: break-word !important;">在开始拉伸的相当一段过程中，实际上是在拉伸力增加很小的条件下使纤维逐渐伸直的，其俱有很高的断裂伸长率。</span></section></section>